Reasons people don’t get wealthy (a partial list):
1. A lack of skills
2. Lack of taking risks
3. Not building a network
4. Poor work ethic
5. Not reading books
6. Giving up after getting beat down
7. Fear
8. Being born at the wrong time
9. Being born in the wrong country

Add your 10. 11. And 12.

wrote up a blog post around why people don't get wealthy https://calacanis.com/2019/03/04/why-people-dont-get-wealthy/